Brilliant Minds | 10pm | NBC

Dr. Wolf and the interns go back to high school to treat a group of pregnant teenagers.

The Equalizer | 9:30pm | CBS

McCall investigates a death in an apartment building where residents believe the structure is haunted after a young woman suspects her grandmother was pushed down a flight of stairs via supernatural means. Meanwhile, Aunt Vi helps Delilah get ready for her senior photos.

Fire Country | 9pm | CBS

Bode receives a life-changing opportunity that could impact his future as a firefighter, and Leven Rambin guest stars as Audrey, a former fire camp inmate.

The Floor | 9pm | Fox

In the fifth episode of The Floor, hosted by Rob Lowe (9-1-1: Lone Star), 33 players are gone, 67 remain. The battle for The Floor intensifies, with smart whales emerging and tempting territory up for grabs. Players hungry for turf must be bold or bide their time. But what’s the best strategy to stay in […]

FBI: International | 9pm | CBS

When a U.S. ambassador is taken hostage at a TV station in the Netherlands alongside 70 civilians, the Fly Team is forced to work quickly to find out who they’re up against. Meanwhile, Wes works to earn the respect of his new team.

NCIS: Origins | 10pm | CBS

A murder near Camp Pendleton leads Gibbs and the team to a suburban mall in San Diego, where Gibbs takes matters into his own hands. Jackson Gibbs pays Franks an unexpected visit.

The Equalizer | 9:30pm | CBS

Season premiere: McCall races to rescue two siblings who run into trouble after stealing a grocery truck carrying firearms. Meanwhile, Harry and Delilah help Mel through her trauma in the aftermath of her kidnapping.

Fire Country | 9pm | CBS

In the midst of Gabriela and Diego’s wedding, a helicopter crash ignites chaos and the team immediately jumps into action to stop fires and help victims

Matlock | 9pm | CBS

As Matty settles into her new role at Jacobson Moore, Olympia and the aptly nicknamed “Team You Three” (Matty, Billy and Sarah) take on a lawsuit involving a developmentally delayed teenager whose family claims he’s been wrongly accused of murder. Also, Olympia and Julian disagree on a parenting matter.

Chicago P.D. | 10pm | NBC

ASA Chapman assists Intelligence with a sensitive investigation that drudges up painful memories for Voight.

FBI: Most Wanted | 10pm | CBS

Season premiere: When a detective is brutally murdered, the Fugitive Task Force investigates a string of gruesome killings. Meanwhile, Remy and Abby’s (Susan Misner) relationship grows stronger.

NCIS: Origins | 9pm | CBS

Series premiere: NCIS: ORIGINS follows a young Leroy Jethro Gibbs (Austin Stowell) in 1991, years prior to the events of NCIS, and is narrated by Mark Harmon. In the series, Gibbs starts his career as a newly minted special agent at the fledgling NCIS Camp Pendleton office, where he forges his place on a gritty […]

Big Brother | 9pm | CBS

Season finale.

Tracker | 8pm | CBS

Repeat: Colter investigates the disappearance of two amateur storm chasers, one of whom is the daughter of an old family friend (guest star Jennifer Morrison), that the local police have written off as an accidental drowning. Colter’s expert tracking skills lead him to uncover the seedy underbelly of a small town resort.

The Summit | 9pm | CBS

Repeat: After an unexpected twist reverberates throughout the group, game plans shift as they begin to tackle harder terrain. While the trekkers are challenged with crossing an extremely rickety bridge, emotions surge as the Mountain’s Keeper arrives with a shocking choice for the trekkers to make, leaving one person’s fate hanging by a thread.